120results about How to "No radiation" patented technology

The invention provides a shape detection device and method based on a spiral FBG (fiber bragg grating) sensor array, and the device comprises the spiral FBG sensor array, an FBG demodulator, data collection and shape reconstruction equipment, and display equipment. The device does not need other peripheral auxiliary equipment, is not affected by electromagnetic interference, is good in medical compatibility, does not emit rays, and can achieve the long-distance remote monitoring. Through the spiral configuration of the FBG sensor array, the device can achieve the multi-point deformation detection of a single optical fiber, and forms a quasi-distributed detection system. Through the packaging of the optical fiber on a nickel-titanium alloy filament, the device protects a grating point from being worn, is strong in anti-interference capability, and enlarges the detection range. The device can obtain the shape of a flexible robot in real time, and is high in real-time response. Meanwhile, the device detects the curvature and torsion, is simple in detection method, can be used for the shape sensing detection in a gastroscope, colonoscope and a flexible/soft robot, and plays an important role in the flexible robots in the fields of dibaster assistance, medical rehabilitation and national defense security.

The present invention relates to a formula of colour artificial stone and its production process. its formula incldues (wt%) 10-20% of resin, 30-40% of colour cobblestone or colour stone powder, 20-30% of natural stone powder, 10-20% of filling material, 2-3% of hardening accelerator and 2-3% of adjuvant.

An UV curing luminescent panel consists of a luminescent layer and a reflective layer. The luminescent layer with the thickness of 0.02-5.0mm consists of light-cured resin (10-40 percent of resins such as epoxy acrylic resin, polyurethane acrylic resin, polyester acrylic resin and the like), photosensitive diluent (photosensitive diluent is 10-20 percent of resins of ethoxylated acrylic ester, propoxylated neopentyl glycol diacrylate, TMPTA and the like), photoinitiator (2-10 percent of beans development kit BDK and the like), luminescent materials (10-65 percent) and additive (0-5 percent). The UV curing luminescent panel has the advantages of no solvent emission, saving energy due to instant drying of UV curing, high production efficiency due to on-line processing, and being applicable to base materials sensitive to heat; furthermore, the prepared luminescent panel is characterized by high brightness, long luminescent time, excellent acid and alkali resistance and weatherability, good printing performance, non-toxicity, no radiation and stable physicochemical performance.

The invention discloses emulsion of a water-based primer for EVA materials. The emulsion is prepared from the following raw materials of hydroxyl terminated polyolefin, dihydroxymethyl carboxylic acid, aliphatic diisocyanate, a catalyst, a solvent, triethylamine, deionized water and an amine-type chain extender. The invention also discloses a method for preparing the emulsion. The method comprises five steps of preparation of raw materials, polyreaction, salt forming reaction, emulsifying chain extension and synthesis, is simple and easy for implementation, has low requirements on equipment and can realize industrialized production easily; the emission of volatile organic matters is avoided, which benefits environmental protection and health of operators; UV radiation is unavailable, the emulsion is easy to use, and the preparation method is simple and practical; the emulsion has strong affinity to the EVA materials and is quite compatible with other binders; and the EVA materials treated by the EVA water-based primer provided by the invention can be bonded by various binders, and the bonding strength is quite high.

The invention discloses a light-weight aggregate shale ceramic particle and a production method thereof, which includes powdered argillaceous shale, pulverized fuel ash, additive and water; the ratio of the ingredients is that: 15-90 parts of powdered argillaceous shale, 5-60 parts of pulverized fuel ash, 1-12 parts of additive and 4-15 parts of water. The production method includes the conventional collection of argillaceous shale and the crashing process, besides, the invention also comprises the following steps: (1)screening; (2) the mixing materials is prepared; (3) the mixing material is added into a marble machine so as to produce raw meal pellets and is discharged; (4) the raw meal pellets are fed into a multi-cylinder rotary kiln for drying and sintering and finally the shale ceramic particles are formed; (5) the products of shale ceramic particles, ceramic sand and ceramic block can be obtained after the cooling and the sizing screening process by a trommel screen. The product is sintered in a multi-cylinder rotary kiln at temperature of 1150-1200 DEG C and the material property is changed and is sound-insulating, light in weight, shock-resistant, weather-resistant, and corrosion-resistant, has distinct energy-saving effect and is beneficial to generalization and implementation.

The invention discloses a three-dimensional force-sensing surgical needle for minimally invasive surgery. The needle comprises a minimally invasive surgery needle, the minimally invasive surgery needle comprises a medical surgery needle head which is fixedly connected to a thin hose and used for injecting and sucking a liquid or a medicine and a hollow metal tube which is connected to the medicalsurgery needle head, and three fiber grating sensors are evenly distributed on the outer surface of the hollow metal tube in the 120-degree axial direction in the circumferential direction; a fiber grating demodulator is connected to the fiber grating sensors, emits laser to the fiber grating sensors, receives laser signals with a specific wavelength returned by the fiber grating sensors, convertsthe laser signals into digital electric signals and demodulates the wavelength corresponding to each grating point; and a data acquisition and force decoupling calculation device receives the wavelength corresponding to each grating area sent by the fiber grating demodulator and performs analysis and calculation so as to obtain stress information of the front end of the minimally invasive surgeryneedle in real time, wherein the stress information is displayed by a display device in real time. The surgical needle is used for detecting the operation force in the operation process in real time.

The invention discloses an ultrasonic probe of bone-ore density, which consists of detecting probe and two directional probes, wherein the detecting probe and directional probe are composed of case, delaying block in the case, wafer, acoustic layer, copper foil and adsorbing block. The invention can meter the spreading time and speed in the bone, which is relative to bone-ore to judge bone quality.

The present invention is application of allochromatic silica gel for absorbing moisture and deodorizing in refrigerator and household environment. The allochromatic silica gel in saturated adsorption state and unsaturated adsorption state has different colors, and may be regenerated through heating in a microwave oven at the temperature not over 110 deg.c, preferably in 105 deg.c. It has high adsorption capacity, high moisture absorbing and deodorizing effect, reuseability, simple regenerating process, no toxicity, no radioactivity and other advantages.

The invention relates to the technical field of tools for medical teaching, in particular to a CT simulation system for teaching. The CT simulation system for teaching is suitable for teaching demonstration, free of radiation and harm, easy to operate and good in simulation effect and can simulate operation and output and display human body scanning information. The system comprises a simulation platform assembly, a simulation scanning frame assembly arranged outside the simulation platform assembly in a sleeving mode, a human body model arranged above the simulation platform assembly, a data storage and processing assembly used for receiving, processing and sending data, a control assembly and a display assembly, wherein the control assembly and the display assembly are connected with the data storage and processing assembly through cables. The CT simulation system for teaching has the advantages of being simple and reasonable in structure, low in manufacturing cost, suitable for purchase and use of schools, suitable for teaching demonstration, free of radiation and harm, easy to operate, good in simulation effect and capable of simulating operation and outputting and displaying the human body scanning information.

The invention relates to an underwater carrier geomagnetic three-component measuring method. A geomagnetic three-component value of a point without a magnetic anomaly is measured by making a nonmagnetic carrier carry a three-component magnetometer in a known area; then, a pair of three-component magnetometers is carried by a magnetic carrier, relevant parameters of sensor locations are obtained through solution; next, magnetic field three-component values with interference in an unknown area are measured according to measuring lines; an external interfering magnetic field is removed through difference, and an underwater geomagnetic vector diagram is drawn according to the obtained geomagnetic field three-component values in the unknown area. Compared with the method of satellite measurement or water surface measurement downward continuation, underwater geomagnetic field data obtained through the underwater carrier geomagnetic three-component measuring method are more reliable and more authentic, the underwater carrier geomagnetic three-component measuring method accords with geomagnetic characteristics of underwater on-site environments, and the measurement data are valid for a long time. The geomagnetic field three-component measurement accuracy is improved, the anti-jamming capability is enhanced, and accurate geomagnetic three-component measurement of an underwater carrier is realized. The underwater carrier geomagnetic three-component measuring method is applicable to compensation for influences of a ground carrier, an aerial carrier and the underwater carrier on geomagnetic field component measurement, in particular to geomagnetic navigation of the carriers.

The invention discloses a preparation method of a luminous decorative plate. The preparation method comprises the following steps: 1) preparing material: water-based luminous ink is prepared by the following raw materials in percentage by weight: a material A composed of 5-20% of water-based acrylic resin, 8-20% of luminous powder, 0.5-2% of a dispersant, 0.2-0.5% of a defoaming agent and 15-20% of tap water, a material B composed of 10-20% of a casein solution, 0.3-0.5% of a defoaming agent, 0.5-2% of an anti-settling agent, 5-10% of ethanol, 2-5% of propylene glycol, 20-40% of tap water and 1-2% of a leveling wetting agent and a material C composed of 0.5-2% of a thickening agent and 0.5-1% of a pH value regulator; 2) printing; 3) dipping; 4) pressing, so as to obtain the luminous decorative plate. The luminous decorative plate prepared through the method provided by the invention has the effect of environmental protection and a long-term luminous function, and further has the characteristics of light fastness, scratch resistance, wear resistance, and natural and vivid texture.

The invention discloses energy-saving paint and a preparation method thereof. The energy-saving paint comprises the following components of cellulose, 2-amino-2-methyl-1-propanol-95 (AMP-95), a temperature-regulating, phase-changing, energy-storing and heat-preserving material, pure acrylic emulsion, a dispersing agent, a wetting agent, a defoaming agent, rutile titanium dioxide, glycol, a film forming aid, a preservative, a mildew prevention agent, a flattening agent, a thickening agent and deionized water. According to the energy-saving paint, the novel temperature-regulating, phase-changing, energy-storing and heat-preserving material is adopted, so that effects of saving energy by using latent heat, storing and releasing heat energy and making the room temperature be relatively balanced are achieved; and the energy-saving paint has sound absorbing, noise lowering, sterilizing, toxicity preventing, odor removing and fire and mildew preventing functions, and alkali can be prevented from being separated out.

The invention discloses a biological red brick and a manufacturing method thereof. The biological red brick is prepared from crushed shale or/and clay, water and crushed dry biomass powder which serve as green brick raw materials in a weight ratio of 1:0.08-0.15:0.04-0.07. The biological red brick is prepared by the steps of: processing raw materials to form a green brick, and then allowing the green brick to enter a brick kiln and sintering. The invention has the advantages that: 1, energy is saved; 2, influence on the environment during production is small; 3, clean environment is facilitated; 4, the product has good quality, long service life, and does not harm a human body; and 5, the cost is low.

The invention discloses a curtain type wind power and vibration power generator. The curtain type wind power and vibration power generator comprises a permanent magnet, a cavity, a coil and the like. The curtain type wind power and vibration power generator is novel in structure and has a shape similar to an ordinary curtain, can use wind power, water power, vibration power and the like to generate electricity, and can further be used as a substitute for a traditional curtain and a traditional door curtain.

The air purifier includes exhaust fan, air conveying pipeline inside the exhaust fan and with one end connected to the air inlet of the exhaust fan and the other end to the outlet of the exhaust fan, ten stages of air purifying ponds with air purifying material connected successively to the air conveying pipeline. The air purifier of the present invention can kill bacteria and virus in the air effectively and eliminate bad smell, and the purifying material adopted is non-toxic, radiation-free, safe and reliable. The air purifier is suitable for air purification in household, hotel, hospital, office building, factory, etc.

The invention relates to a light storage luminous typepolyvinyl chloride dip composite and a preparation method thereof, which belong to the technical field of high-molecular material processing application. The light storage luminous typepolyvinyl chloride dip composite is prepared by mixing 100 parts of suspension method polyvinyl chloride resin with polymerization degree of 500-800, 2-15 parts of PVC paste resins, 1-8 parts of stabilizing agent, 1-6 parts of epoxy soybean oil, 35-65 parts of phthalate esters plasticizer and dioctyl sebacate complex formulation plasticizer, 2-10 parts of lubricant and 5-30 parts of rare earth long-acting aluminate long afterglow light storing luminescent powder with 100-300 meshes. The preparation comprises the following steps: mixing the rare earth long-acting aluminate long afterglow light storing luminescent powder and a liquid auxiliary agent, and adding the liquid auxiliary agent of other components at anaphase of batch mixing and then blending. The composite can realize the dip preparation of a light storing material, and is firmly bound with metal after dip is carried out, and the luminescence time can be long.

The invention discloses an EVA treating agent which is prepared from the following components in parts by mass: 1 to 3 parts of SBS, 5 to 10 parts of EVA-265, 2 to 5 parts of maleic anhydride, 0.2 to 0.5 part of dibenzoyl peroxide, 0.5 to 1 part of cross-linking agent, 0.5 to 1 part of hydroxyethyl methylacrylate, 8 to 15 parts of methyl methacrylate, 5 to 10 parts of methyl cyclohexane, 10 to 15 parts of cyclohexane, 20 to 25 parts of butanone, 10 to 15 parts of dimethyl carbonate, 20 to 25 parts of ethyl acetate, 0.1 to 0.3 part of anti-aging agent, 0.5 to 1 part of chlorinated polyethylene, 0.5 to 1 part of chlorinated rubber and 2 to 5 parts of butylated hydroxytoluene. The invention also discloses a preparation method of the EVA treating agent. The obtained EVA treating agent is good in yellowing resistance, good in weather resistance, free of roughing and irradiation, better in permeability and better in aging resistance.

The invention discloses a method for preparing surface functionalized polymer microspheres, which is characterized by comprising the following steps of: 1) adding an initiator and a disperser into a solvent, and fully dispersing to obtain a solution; 2) adding functional monomer into the solution obtained in the step 1), and fully dispersing to obtain a solution; and 3) irradiating the solution obtained in the step 2) by using ultraviolet, initiating reaction, obtaining emulsion after the reaction is finished, separating the emulsion, removing supernate, and washing to obtain the surface functionalized polymer microspheres. The preparation method has the advantages that: the generated heat is a little, an additional cooling device is not needed, the operation is simple and convenient, equipment is simple, radiation on a human body is absent basically, and the operation is safe. The prepared microspheres have uniform grain size, have functional groups on the surfaces, and can be used for inducing and synthesizing monodisperse semiconductor nanoparticles such as CdS, ZnS and the like.

The invention relates to a trivalent bismuth ion doped yttrium-lutetium-gallium-aluminum garnet ultraviolet long-afterglow luminescent material and a preparation method thereof. The base composition of the luminescent material is (Y<1-x>Lu<x>)<3>(Ga<1-y>Al<y>)<5>O<12>:zBi<3+>, wherein x is greater than or equal to 0 and less than or equal to 1, y is greater than or equal to 0 and less than or equal to 1, and z is greater than or equal to 0.001 and less than or equal to 0.1. The invention also provides a preparation method of the ultraviolet long-afterglow luminescent material. The preparation method comprises the following steps: weighing oxide raw materials according to a stoichiometric ratio, carrying out grinding and mixing, carrying out low-temperature pre-sintering on the obtained powder, then carrying out tabletting on the pre-sintered powder material, and finally carrying out high-temperature sintering to prepare the ultraviolet long-afterglow luminescent material. The prepared material can generate medium-wave ultraviolet emission when being irradiated by ultraviolet with a wavelength smaller than 290 nm, and after the light source is moved away, the material can still generate continuous ultraviolet luminescence, wherein the luminescence peak value is in a range of 300-320 nm, and the luminescence lasting time is greater than 1 hour. The ultraviolet long-afterglow luminescent material has a good application prospect in the fields of photocatalysis, disinfection and sterilization, anti-counterfeiting, medical photodynamic therapy and the like.